﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Threading;
using System.Web.Mvc;
using WebMatrix.WebData;
using CalligraphyWeb.Models;
using System.Web.Security;


namespace CalligraphyWeb.Filters
{
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
    public sealed class InitializeSimpleMembershipAttribute : ActionFilterAttribute
    {
        private static SimpleMembershipInitializer _initializer;
        private static object _initializerLock = new object();
        private static bool _isInitialized;

        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            // Ensure ASP.NET Simple Membership is initialized only once per app start
            LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
        }

        private class SimpleMembershipInitializer
        {
            public SimpleMembershipInitializer()
            {
                //Database.SetInitializer<UsersContext>(null);

                try
                {
                    //using (var context = new UsersContext())
                    //{
                    //    if (!context.Database.Exists())
                    //    {
                    //        // Create the SimpleMembership database without Entity Framework migration schema
                    //        ((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
                    //    }
                    //}


                    WebSecurity.InitializeDatabaseConnection("DefaultConnection", "users", "UserId", "username", autoCreateTables: true);
                    var roles = (SimpleRoleProvider)Roles.Provider;
                    
                    var membership = (SimpleMembershipProvider)Membership.Provider;

                    if (!roles.RoleExists("Admin"))
                    {
                        roles.CreateRole("Admin");
                    }
                    if (!roles.RoleExists("Basic"))
                    {
                        roles.CreateRole("Basic");
                    }

                    if (membership.GetUser("admin", false) == null)
                    {
                        membership.CreateUserAndAccount("admin", "admin", false,
                            new Dictionary<string, object> {
                                { "email" , "admin@admin.com" },
                                { "firstName" , "admin" },
                                { "lastName" , "admin" },
                                { "birthday" , DateTime.Today },
                                { "address" , "Thủ Đức" },
                                { "city" , "Hồ Chí Minh" }
                            });
                    }
                    if (!roles.GetRolesForUser("admin").Contains("Admin"))
                    {
                        roles.AddUsersToRoles(new[] { "admin" }, new[] { "Admin" });
                    } 
                }
                catch (Exception ex)
                {
                    throw new InvalidOperationException("The ASP.NET Simple Membership database could not be initialized. For more information, please see http://go.microsoft.com/fwlink/?LinkId=256588", ex);
                }
            }
        }
    }
}
